"Clipper Darrell" dances with the "Clipper Spirit" during a game against the Memphis Grizzlies at the Staples Center in Los Angeles in 2002. Lisa Blumenfeld/Getty Images hide caption

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Tiara Brown, shown at the International Duel in Oxnard, Calif., last year, is competing for a spot on the U.S. women's Olympic team. Sue Jaye Johnson hide caption

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Trainers help Cleveland Browns quarterback Colt McCoy after he took a hit during a game in December. In a series of interviews with The Associated Press, 23 of 44 NFL players said they would try to hide a brain injury rather than leave a game. Don Wright/AP hide caption

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Michelle Kwan performs at an exhibition in 2005. Matthew Stockman/Getty Images hide caption

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After former Penn State coach Joe Paterno's death was announced Sunday, fans paid their respects at a Paterno statue on campus. Paterno exerted a rare amount of control in his decades coaching football, says Frank Deford. Patrick Smith/Getty Images hide caption

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Los Angeles Dodgers players high-five after beating the San Diego Padres 2-0 at Petco Park in San Diego on Sept. 23, 2011. Denis Poroy/Getty Images hide caption

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